TEST
YOUR USB

WDC (ExtHD)

WD20 EFRX-68EUZN0 2TB

▲ 500 ▼

Release date ≈ Q2 2017.

Average Bench: 42.9% (36th of 639)

Based on 16 user benchmarks.  Device: VID null PID null Model: WDC WD20 EFRX-68EUZN0
Poor: 15%Average: 42.9% Great: 61%

Below average average bench

The WDC WD20 EFRX-68EUZN0 2TB averaged 57.1% lower than the peak scores attained by the group leaders. This isn't a great result which indicates that there are much faster alternatives on the comparison list.

Strengths

Avg. 4K Random Write Speed 2.3MB/s
Avg. Sequential Write Speed 107MB/s

Average consistency

The range of scores (95th - 5th percentile) for the WDC WD20 EFRX-68EUZN0 2TB is 45.6%. This is a relatively wide range which indicates that the WDC WD20 EFRX-68EUZN0 2TB performs inconsistently under varying real world conditions.

Weaknesses

Avg. 4K Random Read Speed 0.78MB/s
Avg. 4K Random Mixed IO Speed 0.65MB/s
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Average Bench

(Based on 16 samples)
Rank 3642.9%
Min Avg Max
28.5 Read 112 157
21.8 Write 107 152
23 Mixed 70.2 103
0.7 SusWrite 64.5 147
116% 88.4 MB/s
Min Avg Max
0.44 4K Read 0.78 0.9
0.65 4K Write 2.3 2.7
0.24 4K Mixed 0.65 1
103% 1.24 MB/s
User Benchmarks BenchSequentialRandom 4kDeep queue 4k
The fastest USB (mainstream) averages a speed of 100%
1.5TB free, PID null
SusWrite @10s intervals: 144 148 147 148 148 147 MB/s
61.4% Good
Read 146
Write 147
Mixed 99.5
SusWrite 147
182% 135 MB/s
4K Read 0.9
4K Write 2.6
4K Mixed 1
126% 1.5 MB/s
1.5TB free, PID null
SusWrite @10s intervals: 102 101 100 102 101 102 MB/s
49.2% Average
Read 135
Write 128
Mixed 103
SusWrite 101
156% 117 MB/s
4K Read 0.9
4K Write 2.4
4K Mixed 0.9
116% 1.4 MB/s
2TB free, PID null
SusWrite @10s intervals: 10 10 10 10 10 13 MB/s
30.6% Below average
Read 139
Write 137
Mixed 71.6
SusWrite 10.6
111% 89.5 MB/s
4K Read 0.9
4K Write 2.6
4K Mixed 1
126% 1.5 MB/s
252GB free, PID null
SusWrite @10s intervals: 1.6 0.5 0.6 0 0.2 1.5 MB/s
19.9% Very poor
Read 83.7
Write 78.2
Mixed 73.9
SusWrite 0.7
75% 59.1 MB/s
4K Read 0.8
4K Write 2.4
4K Mixed 0.9
115% 1.37 MB/s
90GB free, PID null
SusWrite @10s intervals: 27 27 27 28 28 27 MB/s
17.3% Very poor
Read 32.4
Write 23.8
Mixed 25.2
SusWrite 27.5
36% 27.2 MB/s
4K Read 0.7
4K Write 2.1
4K Mixed 0.9
105% 1.23 MB/s
918GB free, PID null
SusWrite @10s intervals: 24 25 23 25 24 23 MB/s
15.4% Very poor
Read 28.5
Write 21.8
Mixed 23
SusWrite 24
32% 24.3 MB/s
4K Read 0.7
4K Write 1.9
4K Mixed 0.9
98% 1.17 MB/s
401GB free, PID null
SusWrite @10s intervals: 3 2.9 3.1 3 3 5.9 MB/s
12% Very poor
Read 30
Write 24.3
Mixed 24.7
SusWrite 3.5
26% 20.6 MB/s
4K Read 0.7
4K Write 2.2
4K Mixed 0.9
108% 1.27 MB/s
16 MORE »
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